TurboMaster v3 4 MHz Accelerator | Master Adapter (GEOS) For Commodore c64 c64c

TurboMaster v3 4.09MHz Accelerator Master Adapter for use with GEOS 64 2.0 for use with Commodore 64, 64c,  Constructed by: ToTs RETRO Featuring a Fully Licensed and Authentic Copy of "TurboMaster Jiffy Dos Rom v5.05" TurboMaster v3 Specifications 4.09 MHz speed 4x the speed of Commodore 64 64k Ram installed in TMv3 Includes a new W65c02S6TPG-14, tested 14mhz CPU, which we only use 4.09MHz Brass Screw Inserts High Quality 3d Printed Cases 30 to 40% infill. Very Sturdy. Two colors available Blue, Red  special order colors can occur with proper communication allow extra time . All the chips on the logic board are socketed which will allow for easy service work should it be required some decades from now. All prices include fully assembled and tested 100% units (each sold separately), Commodore 64, c64c, GEOS 64 software not included, you must supply your own    I ran the TurboMaster v3 on Pole position, took 1st position in race!  It is super fast.  Average 4x faster than standard C6